Sunnytech Solar Mendocino Motor Magnetic Levitating Educational Model ST42 EXTREMLY WELL-MADE----A carefully crafted engine with high grade aluminum platelaser cut acrylic stand , powerful solar panel, and art-of-state work craft. This is a very elegant and smoothly functioning engine model. The base adopts aluminum plate paint with silver color, its heavy and elegant, the model sits on the desk completely immobilized. EASY OPERATION ----No Manual at all. Set the rotor to the board, Levitating success on the model, set the model 45degree direction under the light resource. Give the rotor a gently push, it will run smooth. HIGH-TECH ORNAMENT THAT COMBINES THE MAGNETIC AND ELECTRIC FIELD ----The Mendocino Motor is a magnetically levitated, solar powered electric motor. The motor consists of a spinning shaft that is held up by repelling magnets, stabilized by resting a point against a wall. It is powered by solar panels mounted on the spinning shaft, which generate currents through coils of insulated wire, and rotation. ENTERTAINING---- The motor rotor can rotate under weak light source. If the light stronger, the rotor rotating speed will be faster. The solar panels which equipped on the rotor convert sunlight to power and drive the model run freely. PRIORITY GIFT OPTION FOR MANY APPLICATIONS----It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teachers Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.